DK165135B - CONNECTION TO CONNECTING TWO ROOMS - Google Patents
CONNECTION TO CONNECTING TWO ROOMS Download PDFInfo
- Publication number
- DK165135B DK165135B DK078087A DK78087A DK165135B DK 165135 B DK165135 B DK 165135B DK 078087 A DK078087 A DK 078087A DK 78087 A DK78087 A DK 78087A DK 165135 B DK165135 B DK 165135B
- Authority
- DK
- Denmark
- Prior art keywords
- sleeve
- clamping
- bead
- strap
- groove
- Prior art date
Links
- 239000011324 bead Substances 0.000 claims description 29
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 210000001331 nose Anatomy 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 210000003128 head Anatomy 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/002—Sleeves or nipples for pipes of the same diameter; Reduction pieces
- F16L21/005—Sleeves or nipples for pipes of the same diameter; Reduction pieces made of elastic material, e.g. partly or completely surrounded by clamping devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L17/00—Joints with packing adapted to sealing by fluid pressure
- F16L17/02—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket
- F16L17/04—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket with longitudinally split or divided sleeve
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Joints With Sleeves (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Clamps And Clips (AREA)
- Safety Valves (AREA)
- Glass Compositions (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Description
DK 165135BDK 165135B
Opfindelsen angår en kobling ti! forbindelse af to rørender som nærmere angivet i krav 1's indledning.The invention relates to a coupling ten! connection of two pipe ends as specified in the preamble of claim 1.
Ved en kendt stikkobling af denne art (DE-OS 33 39 169) ligger en første og anden vulst i 5 spændbøjlens aksiale midte. Ved spænding trykker den derfor mod den på muffens inderside rundtgående midterribbe i retning radialt indad, så at denne ribbe stikker frem fra rørets inderside og hindrer gennemstrømningen, når de rør, som skal forbindes, har lille vægtykkelse. Da endvidere den væsentlige tætningszone ligger ved den yderste rand af rørenderne, kan muffens tætningsvirkning beskadiges i dette område, når man skal forbinde rør med stor diameter, og 10 når rørene ved de ender, som skal forbindes, ikke er overskåret under nøjagtigt en ret vinkel.In a known plug coupling of this kind (DE-OS 33 39 169), a first and second bead lie in the axial center of the clamp. Therefore, when tensioned, it presses against the inner rib around the inner sleeve in a radially inward direction so that this rib protrudes from the inside of the tube and prevents the flow when the tubes to be connected have a small wall thickness. Furthermore, since the essential sealing zone is at the outer edge of the pipe ends, the sealing effect of the sleeve can be damaged in this area when connecting large diameter pipes and 10 when the pipes at the ends to be connected are not cut at exactly a right angle. .
Alt efter den relative drejningsvinkelstilling af de benyttede rørender kan de mod hinanden vendende ender af rørene indeslutte en større eller mindre vinkel, som i området for den største afstand mellem endefladerne eventuelt ikke muliggør en tilstrækkelig tætning. Når akserne på de rør, som skal forbindes, ikke er nøjagtigt koaksiale i samlingsstillingen, men danner en vinkel 15 med hinanden, kan stikkoblingens tætningsvirkning ligeledes påvirkes skadeligt af dette, fordi endefladerne af de rørender, som skal forbindes, kan undvige yderligere bort fra hinanden, og de ydre kanter på enderne kan drejes ud af det - af flankerne på den i stikkoblingens aksiale midte liggende vulst sammenpressede - tætningsområde, uden at der alene ved hjælp af det rillede område kan sikres en tilstrækkelig tætningsvirkning.Depending on the relative angular position of the pipe ends used, the opposite ends of the pipes may enclose a larger or smaller angle which, in the region of the greatest distance between the end surfaces, may not allow a sufficient seal. Also, when the axes of the pipes to be connected are not exactly coaxial in the joint position, but form an angle 15 to each other, the sealing effect of the plug coupling can also be adversely affected by this because the end faces of the pipe ends to be connected may diverge further apart. and the outer edges of the ends can be turned out of the sealing region of the flanks of the bead which is compressed in the axial center of the plug coupling, without a sufficient sealing effect can only be ensured by means of the grooved area.
2020
Til grund for opfindelsen ligger den opgave at anvise en stikkobling af den angivne art, som selv ved større rørdiametre uafhængigt af en unøjagtig retvinklethed på endefladerne af de rørender, som skal forbindes, og en beskeden gensidig vinkelforskydning af de rør, som skal forbindes, sikrer en tilstrækkelig tæthed af forbindelsesstedet uden hindring af gennemløbet gennem 25 muffen.The object of the invention is to provide a plug connection of the specified type which, even at larger pipe diameters, independently of an inaccurate right angles on the end surfaces of the pipe ends to be connected, and a slight reciprocal angular displacement of the pipes to be connected. a sufficient tightness of the connection site without obstructing the passage through the sleeve.
ifølge opfindelsen løses denne opgave ved den i krav 1's kendetegnende del anførte konstruktion.According to the invention, this task is solved by the construction of the characterizing part of claim 1.
30 Ved denne løsning indesluttes det rillede område mellem hver flange og nabovulsterne under svag aksial sammenpresning. Samtidig udsættes midterribben mellem enderne af de rørender, som skal forbindes, ikke for et yderligere indspændingstryk hidrørende fra vulsteme. De indesluttede rillede områder danner derfor efter fastskruningen af spændeskruen nogle i afstand fra rørenderne liggende zoner med høj sammentrykning, som garanterer en høj grad af tæthed, 35 selv når rørene er forskubbet en lille vinkel i forhold til hinanden svarende til deres monteringsstilling, da rørenes drejningsakse ved vinkelforskydningen ligger i en plan, som ligger omtrent i den aksiale midte af det rillede og sammentrykkede område, så at sammentrykningen i dette område langs hele røromkredsen ikke ændres væsentligt ved en vinkelforskydning. Da den iIn this solution, the grooved area between each flange and the neighboring beads is enclosed under weak axial compression. At the same time, the middle rib between the ends of the pipe ends to be connected is not subjected to an additional clamping pressure resulting from the beads. Therefore, the enclosed grooved areas, after tightening the screw, form some high compression zone spaced away from the pipe ends, which guarantees a high degree of tightness, 35 even when the pipes are offset at a slight angle to each other corresponding to their mounting position, since the pivot axis of rotation at the angular displacement lies in a plane approximately in the axial center of the grooved and compressed area, so that the compression in that area along the entire tube circumference is not substantially altered by an angular displacement. When the i
DK 165135BDK 165135B
2 muffens radialplan liggende midterribbe ikke sammentrykkes yderligere på grund af en radial indad fremstikkende vulst ved spændbåndets stramning, beholder midterribben i vid udstrækning sin radiale beliggenhed uden at stikke frem fra rørets inderside. I fravær af en yderligere sammentrykning af muffen i området for midterribben kan muffematerialet i dette område lettere 5 give efter ved en vinkelforskydning af rørene, når rørene efter sammenkoblingen - på grund af de rumlige forhold på monteringsstedet - bringes i en driftsstilling, hvor de ikke ligger nøjagtigt koaksiatt. På grund af indeslutningen af de rillede områder i nærheden af flangerne hindres endvidere en ombøjning af muffen ud over det rillede parti i retning mod muffens aksiale midte ved påskydningen af stikkoblingen på den ene rørende og dermed en tilbagefjedring af stikkob-10 lingen ved en muffe af stivere materiale før indføringen af den anden rørende. På grund af den forholdsvis store afstand af den hovedsagelige tætningszone af rørenderne er tætningsvirkningen også i vid udstrækning uafhængig af en ikke nøjagtigt vinkelret overskæring af rørenderne.2 The radial plane of the sleeve is not further compressed due to a radial inwardly projecting bead by the tension of the strap, the central rib retains its radial position to a large extent without protruding from the inside of the tube. In the absence of a further compression of the sleeve in the region of the center rib, the socket material in this region can more easily yield by an angular displacement of the tubes when the tubes after the coupling - due to the spatial conditions at the mounting site - are brought into an operating position where they are not located. exactly coaxiate. Furthermore, due to the confinement of the grooved areas in the vicinity of the flanges, a bending of the sleeve beyond the grooved portion towards the axial center of the sleeve is prevented by the pushing of the plug coupling on one pipe and thus a resilience of the plug coupling by a sleeve of the sleeve. stiffer material prior to insertion of the second tube. Due to the relatively large distance of the main sealing zone of the pipe ends, the sealing effect is also largely independent of a not exactly perpendicular cutting of the pipe ends.
15 Fortrinsvis sørger man for, at ringnoten på ydersiden af muffen optager begge vulstpar. Derved opnås før spændingen af bøjlebåndet et frit rum mellem bøjlebåndet og muffens yderside i området for den aksialt yderste ribbe, så at den midterste ribbe efter spændingen forbliver praktisk taget helt fri for radiale indspændingskræfter og ikke presses ind i det indre rum i røret.15 Preferably, the ring groove on the outside of the sleeve accommodates both bead pairs. Thereby, prior to the tension of the hoop, a free space is obtained between the hoop and the outside of the sleeve in the region of the axially outer rib so that the middle rib after tension remains practically completely free of radial clamping forces and is not pressed into the inner space of the tube.
20 Det er særlig gunstigt at udforme koblingen som angivet i krav 3. Spændbakkeme holder ikke blot stand mod høje spændkræfter uden at bøjes i periferiretningen, men overfører spændskruens spændkraft hovedsageligt til flangerne og disse grænsende områder af bøjlebåndet, så at spændkraften hovedsagelig er virksom i muffens indesluttede områder uden for den aksiale midte. Samtidig forhindrer de en bøjning af skruen, da de ligger an mod skruens skaft med en 25 stor flade. Det radiale og aksiale anlæg af møtrikken mod bøjlebåndet bidrager yderligere til, at spændskruen ikke bøjes, navnlig ikke i en i forhold til bøjlebåndets omkreds tangential plan ved en vinkelforskydning af rørene til en med denne plan parallel plan.It is particularly advantageous to design the coupling as claimed in claim 3. The clamping jaws not only withstand high tension forces without bending in the circumferential direction, but transmit the clamping force mainly to the flanges and these adjacent areas of the clamping belt, so that the clamping force is mainly active in the sleeve. confined areas outside the axial center. At the same time, they prevent bending of the screw as they abut against the shaft of the screw with a large surface. The radial and axial abutment of the nut against the strap further contributes to the tensioning screw not being bent, in particular not in a tangential plane relative to the girth of the strap by an angular displacement of the tubes to a plane parallel to this.
Fortrinsvis griber møtrikken med næser i sin mod bøjlebåndet vendende rand ind i bøjlebåndets 30 vulster (krav 4). Dette giver på særlig enkel måde et aksialt anlæg af spændskruens skaft ud over det ved hjælp af spændbakkeme opnåede anlæg.Preferably, the nut with noses in its rim facing the strap engages the beads of the strap 30 (claim 4). This provides, in a particularly simple manner, an axial abutment of the shaft of the clamp screw in addition to the abutment obtained by means of the clamping trays.
Opfindelsen skal forklares nærmere i forbindelse med tegningen, hvor tig. 1 viser et aksialsnit gennem en stikkobling ifølge opfindelsen med i stikkoblingen 35 indførte rørender, som skal forbindes før stramningen af bøjlebåndet, og fig. 2 et perspektivisk billede af stikkoblingen ifølge fig. 1 i aksialsnit efter stramningen.The invention will be explained in more detail in connection with the drawing, in which FIG. 1 shows an axial section through a plug coupling according to the invention with pipe ends inserted in the plug coupling 35 which must be connected before the tightening of the hoop band; and FIG. 2 is a perspective view of the plug connector of FIG. 1 in axial section after tightening.
DK 165135 BDK 165135 B
33
Den i fig. 1 viste stikkobling består af en muffe 1 af gummi samt en muffen 1 omgivende spaendbøjle 2. Stikkoblingen tjener til forbindelse af enderne på to rør 3, som indføres aksialt i stikkoblingen. Muffen eller manchetten 1 har på indersiden en rundtgående midterrille 4, som bevirker en tætning af rørforbindelsen mellem endefladerne på rørene 3. Muffens indvendige 5 diameter er derfor mindre end den udvendige diameter af rørene 3, men dog noget større end den indvendige diameter af rørene 3. Endvidere er der på indersiden af muffen 1 på begge sider af ribben 4 udformet en ringnot 5. Ringnoterne 5 er ved hver indføringsende af muffen 1 begrænset af et rillet område 6 med en aksialt yderste rundtgående ribbe 7 og en yderligere og nærmere ved muffens aksiale midte anbragt rundtgående ribbe 8. Som den i fig. 1 med stregli-10 nier antydede stilling af ribberne 7 og 8 viser, aftager før indføringen af rørene 3 i muffen 1 diameteren af de aksialt yderste flanker 9 og de aksialt inderste flanker 10 på ribberne 7, ligesom diameteren af den aksialt forreste flanke 11 på ribben 8 og diameteren af bunden 12 på ringnoten 5 lineært i retning mod muffens 1 aksiale midte, medens diameteren af de aksialt indre flanker 13 af ribberne 8 vokser lineært i retning mod den aksiale midte af muffen 1. Flan-15 kerne 9 er altså underskåret. Den indvendige diameter af ribberne 7 og 8 er før indføringen af rørene 3 i muffen 1 lidt mindre end den udvendige diameter af rørene 3, medens ringnotens 5 notbunddiameter er større end rørenes 3 udvendige diameter. I stedet for at være koniske kan flankerne 9-11 og bunden 12 også være hvælvet (med en udbugtning) i retning mod indføringsenden.The FIG. 1, the connector coupling consists of a rubber sleeve 1 and a sleeve 1 surrounding the tensioning bracket 2. The connector serves to connect the ends of two tubes 3 which are inserted axially into the connector. The sleeve or sleeve 1 has on the inside a circumferential center groove 4 which causes a sealing of the pipe connection between the end faces of the pipes 3. The inner diameter of the sleeve is therefore smaller than the outside diameter of the pipes 3, but somewhat larger than the inner diameter of the pipes 3. Further, a ring groove 5 is formed on the inside of the sleeve 1 on both sides of the rib 4. The ring grooves 5 are constrained at each insertion end of the sleeve 1 by a grooved region 6 with an axially outer circumferential rib 7 and a further and closer proximity of the sleeve. centered circumferential ribs 8. As shown in FIG. 1 with dashed lines, the position of the ribs 7 and 8 shows, before inserting the tubes 3 into the sleeve 1, the diameter of the axially outer flanks 9 and the axially inner flanks 10 of the ribs 7, as well as the diameter of the axially anterior flank 11 of the rib 8 and the diameter of the bottom 12 of the ring groove 5 linearly towards the axial center of the sleeve 1, while the diameter of the axially inner flanks 13 of the ribs 8 grows linearly towards the axial center of the sleeve 1. The flange core 9 is thus cut . The inside diameter of the ribs 7 and 8 is slightly smaller than the outer diameter of the tubes 3 before inserting the tubes 3 into the sleeve 1, while the groove bottom diameter of the groove 5 is larger than the outside diameter of the tubes 3. Instead of being tapered, flanks 9-11 and bottom 12 may also be curved (with a bend) toward the insertion end.
20 På ydersiden over for ribben 4 er muffen 1 forsynet med en ringnot 14, som før indføringen af muffen 1 i spændbøjlen 2 har et omtrent trapezformet tværsnit.20 On the outside opposite to the rib 4, the sleeve 1 is provided with a ring groove 14 which, prior to the insertion of the sleeve 1 into the clamp 2, has an approximately trapezoidal cross-section.
Som det fremgår af fig. 2, består spændbøjlen 2 af et omtrent C-formet bukket bøjlebånd 15 af 25 stålblik, ved enderne af bøjlebåndet 15 ved punktsvejsning fastgjorte spændbakker 16 og 17 i form af radialt udadbugtede strimler og en gennem udbugtningen på spændbakkerne 16 og 17 ført spændskrue 18 med hoved 19 og gevindskaft 20, idet hovedet 19 er cylindrisk og har en indvendig sekskant, og gevindskaftet 20 griber ind i en gevindboring i en møtrik 21. Endvidere har spændbøjlen 2 en laske 22, som dækker over spalten mellem spændbåndets ender eller 30 mellem spændbakkerne 16,17.As shown in FIG. 2, the clamp 2 consists of a roughly C-shaped curved ribbon 15 of 25 steel sheets, fastened at the ends of the ribbon 15 by spot welding in the form of radially outwardly curved strips and a tension screw 18 guided through the bulge on the ribs 16 and 17 19 and threaded shank 20, the head 19 being cylindrical and having an internal hexagon, and the threaded shaft 20 engaging a threaded bore of a nut 21. Furthermore, the clamping bar 2 has a groove 22 which covers the gap between the ends of the strap or 30 between the clamping jaws 16. 17th
På periferisiderandene er bøjlebåndet 15 forsynet med radialt indad ombukkede koniske flanger 23, som udenfor det område, som lasken 22 strækker sig over, ligger an mod koniske endeflader 24 på muffen 1.On the peripheral side edges, the hoop band 15 is provided with radially inwardly bent conical flanges 23 which, outside the area over which the lug 22 extends, abut conical end surfaces 24 of the sleeve 1.
3535
Omtrent midtvejs mellem det aksiale midterpunkt af spændbøjlen 2 og flangerne 23 er bøjlebåndet 15 på begge sider af den aksiale midte forsynet med en rundtgående og radialt indad fremstikkende og omtrent halvcirkelformet vulst 25 henholdsvis 26, som strækker sig over denAbout midway between the axial midpoint of the tensioning brace 2 and the flanges 23, the bracing band 15 is provided on both sides of the axial center with a circumferential and radially inwardly projecting and approximately semicircular bead 25 and 26, respectively, extending over it.
DK 165135BDK 165135B
4 samlede længde af bøjlebåndet 15. Vulsterne25 og 26 griber ind i ringnoten 24 på muffen 1, idet de uden for det af lasken 28 dækkede område med deres aksialt yderste flanker ligger an mod ringnotens 14 flanker.4 the total length of the hoop band 15. The beads 25 and 26 engage the annular groove 24 on the sleeve 1, with the outer edges of the groove 28 covered with their axially outer flanks abutting the flanks of the annular groove 14.
5 Lasken 22 er ligeledes forsynet med to til vulsterne 25 og 26 svarende' og over hele længden af lasken 22 i spændbøjlens 2 periferiretning rundtgående vulster 27 og 28, som ligeledes griber ind i muffens ringnot 14 og griber ind over hver sin vulst 25 og 26. Lasken 22 har også til flangerne 23 svarende flanger 29.The sheath 22 is also provided with two beads 27 and 28 corresponding to the beads 25 and 26 corresponding to the entire length of the shank 22 in the circumferential direction of the tensioning bracket 2, which also engages the ring groove 14 of the sleeve and engages each of the beads 25 and 26 respectively. The sleeve 22 also has flanges 29 corresponding to the flanges 23.
10 Afstanden b af vulsterne 25 og 27 fra naboflangerne 23 og 24 er mindre end den aksiale bredde d af det rillede område 6.10 The distance b of the beads 25 and 27 from the neighboring flanges 23 and 24 is less than the axial width d of the grooved region 6.
I muffens 1 afspændte tilstand ligger flangernes 23 og 29 indvendige diameter (ved indføringsenden af stikkoblingen) mellem den største indvendige diameter af ringnoterne 5 og den mind-15 ste indvendige diameter af ribberne 7 og 8.In the relaxed state of the sleeve 1, the inner diameter of the flanges 23 and 29 (at the insertion end of the plug coupling) lies between the largest internal diameter of the ring grooves 5 and the smallest internal diameter of the ribs 7 and 8.
De mod bøjlebåndet 15 anliggende afsnit af spændbakkerne 16 og 17 er svejset på flangerne 23 og til de områder af bøjlebåndet 15, som ligger mellem vulsten 25 og naboflangen 23 henholdsvis vulsten 26 og naboflangen 23, så at spændkræfterne i hovedsagen overføres i de 20 aksialt yderste periferiområder af bøjlen.The portions 16 of the abutment sections 16 and 17 abutting against the hoop band 15 are welded to the flanges 23 and to the areas of the hoop band 15 which lie between the bead 25 and the neighboring flange 23 and the bead 26 and the neighboring flange 23, respectively, so that the tension forces are substantially transmitted in the axially outermost 20. peripheral areas of the brace.
Møtrikken 21 griber med næser 30 og 31 ved sin mod bøjlebåndet 15 vendende rand ind i vulsterne 25 og 26 på bøjlebåndet, idet næsernes 30 og 31 kontur er tilpasset vulstemes 25 og 26 kontur.The nut 21 engages with the noses 30 and 31 at its rim facing the strap 15 into the beads 25 and 26 of the strap, the contour of the noses 30 and 31 being aligned with the contour of the beads 25 and 26.
2525
Til sammenkobling af rørenderne skubbes stikkoblingen i afspændt tilstand først på den ene rørende, indtil rørendens endeflade ligger an mod ribben 4, idet påskubningen lettes af de skrå flanker 9 og 11 på ribberne 7 og 8, og idet ribberne 7 og 8 ændrer deres stilling fra den i fig. 1 med streglinier viste stilling til den med optrukne linier viste stilling. Da det pågældende rillede 30 område er indesluttet under en lille aksial sammenpresning mellem de tilgrænsende flanger og vulster, f.eks. vulsterne 25 og 27, kan muffen 1 ved påskubning på rørenden ikke foldes yderligere indad. Tilsvarende lille er også den aksiale tilbageføringsfjederkraft i muffen 1, så at stikkoblingen før strømning af spændbøjlen 2 ikke atter er sig selv på grund af, at tilbageføringsfje-derkraften i muffen forskydes på den pågældende rørende mod dennes endeflade med det re-35 sultat, at der uden fornyet påskubning ville forblive en spalte mellem endefladerne på de pågældende rørender og ribben 4, som ville have skadelig indflydelse på forbindelsens tæthed.To interconnect the pipe ends, the plug coupling in the relaxed state is first pushed on one pipe until the end surface of the pipe end abuts on the rib 4, the pushing is facilitated by the inclined flanks 9 and 11 on the ribs 7 and 8, and the ribs 7 and 8 change their position from FIG. 1 with dashed lines to the position shown with drawn lines. As the grooved area 30 is enclosed under a small axial compression between the adjacent flanges and beads, e.g. bores 25 and 27, the sleeve 1 cannot be further folded inwardly by pushing on the pipe end. Correspondingly small is also the axial return spring force in the sleeve 1, so that the plug coupling prior to flow of the clamping bracket 2 is not itself again due to the return spring force in the sleeve being displaced on the respective pipe against its end surface with the result that that without re-pushing there would remain a gap between the end faces of the pipe ends concerned and the rib 4, which would adversely affect the tightness of the joint.
Efter indføringen af den anden rørende i den i fig. 1 viste stilling spændes til sidst spændbøjlen 2 ved stramning af skruen 18, til de radialt inderste kanter af flangerne 23 og 29 ligger anAfter insertion of the second pipe in the embodiment shown in FIG. 1, the tensioning bracket 2 is finally tightened by tightening the screw 18 until the radially inner edges of the flanges 23 and 29 abut
UIV I OO I «30 DUIV I OO I «30 D
5 mod ydersiden af røret 3, idet ribberne 7 og 8 under forøgelse af den mellem dem og det pågældende rør 3 virksomme tætningsflade atter ombøjes, og idet det i muffens 1 aksiaie midte liggende muffemateriale næsten udfylder det til at begynde med frie rum 32 mellem muffen og bøjlen, uden at ribben 4 trykkes radialt indad. I spændbøjlens spændte tilstand rager ribben 4 5 derfor ikke radialt ind i rørets 3 indre rum, så at gennemstrømningen gennem røret 3 heller ikke hindres. Spændbøjlens 2 spændte tilstand og den derved opstående form af muffen er vist i fig. 2.5 towards the outer surface of the tube 3, while the ribs 7 and 8, while increasing the sealing surface active between them and the respective tube 3, are bent, and the socket material lying in the center of the shaft 1 almost fills it initially with free space 32 between the sleeve and the bracket without the rib 4 being pressed radially inward. Therefore, in the tensioned state of the clamp, the rib 45 does not project radially into the inner space of the tube 3, so that the flow through the tube 3 is also not obstructed. The tensioned state of the clamp 2 and the resulting sleeve shape are shown in FIG. 2nd
Ved stramningen af spændbøjlen 2 sammentrykkes det rillede område 6 stærkest, da muffema-10 terialet på grund af indeslutningen praktisk taget ikke kan undvige aksialt. Ved en indbyrdes vinkelforskydning mellem rørene 3 med henblik på tilpasning af deres stilling til de rumlige forhold på monteringsstedet, drejes de i forhold til stikkoblingen om en drejningsakse, som falder sammen med en radial plan i det rillede område 6, idet en sådan vinkelændring lettes ved, at rørets 3 rande ved endefladerne kan trænge radialt ind i det i vid udstrækning ikke sammen-15 trykkede muffemateriale. Når rørendernes endeflader ikke er afskåret nøjagtigt vinkelret på rørenes 3 længdeakse, er faren for en utæthed alligevel lille, fordi hovedtætningszonen ligger i området for ribberne 7 og 8, og denne zone har en forholdsvis stor afstand fra rørenes 3 endeflader. Spændbakkerne 16 og 17 holder stand mod høje spændkræfter uden bøjning, da de virker som skubbeplader. Samtidig indeslutter de gevindskaftet 20 over en betydelig længde 20 med deres udbugtninger, så at spændskruens 18 gevindskaft 20 i vid udstrækning er sikret mod bøjning. Møtrikken 21 sørger i denne forbindelse tillige for et anlæg af gevindskaftet 20, ikke kun i retning mod spændbøjlens 2 radiale midte, men på grund af næsernes 30 og 31 indgreb i vulsterne 25 og 26 også i aksial retning. Skruen 18 er derfor selv ved en vinkelforskydning mellem rørene 3 i en plan, som ligger parallelt med en spændskruen 18 indeholdende tangential-25 plan for spændbøjlen 2, i høj grad sikret mod en bøjning.In the tightening of the clamping bracket 2, the grooved area 6 is strongly compressed, as the sleeve material, due to the containment, can practically not avoid axially. By an angular displacement between the tubes 3 in order to adjust their position to the spatial conditions at the mounting location, they are rotated in relation to the plug coupling about a axis of rotation which coincides with a radial plane in the grooved area 6, such an angular change is facilitated by that the edges of the pipe 3 at the end faces can radially penetrate into the largely uncompressed sleeve material. However, when the end faces of the pipe ends are not cut exactly perpendicular to the longitudinal axis of the pipes 3, the danger of a leakage is nevertheless small because the main sealing zone lies in the region of the ribs 7 and 8 and this zone has a relatively large distance from the end faces of the pipes 3. The clamps 16 and 17 withstand high tensile forces without bending as they act as push plates. At the same time, they enclose the threaded shaft 20 over a considerable length 20 with their bends, so that the threaded shaft 20 of the clamping screw 18 is largely secured against bending. In this connection, the nut 21 also provides an abutment of the threaded shaft 20, not only in the direction of the radial center of the tension bracket 2, but also in the axial direction due to the engagement of the noses 30 and 31 in the beads 25 and 26. The screw 18 is therefore, even at an angular displacement between the pipes 3 in a plane parallel to a tensioning screw 18 containing the tangential plane of the tensioning bracket 2, largely secured against a bend.
De ved stramningen i røret indgribende radialt inderste kanter på flangerne 23 og 29 sørger i forbindelse med de forholdsvis meget sammentrykkede rillede områder 6 for en aksial sikring af rørforbindelsen, som holder stand selv over for store aksiaie adskillelseskræfter på forbindel-30 sesstedet.The radially innermost edges of the flanges 23 and 29 engaging the tension in the tube provide, in connection with the relatively highly compressed grooved areas 6, an axial securing of the pipe connection, which withstands even large axial separation forces at the connection site.
I det viste udførefseseksempel er lasken 22 svejset på den radialt indvendige side af den ene bøjlebåndsende. Det er imidlertid også muligt at udforme lasken 22 i et stykke med bøjlebåndet 15, idet bøjlebåndet 22 da i området for lasken 22 reduceres noget i sin aksiaie bredde, og 35 vulsterne 25 og 26 udformes ganske vist i periferiretningen gennemgående indtil lasken 22, men i området for lasken 22 noget bredere svarende til konturen af vulsterne 27 og 28.In the embodiment shown, the lug 22 is welded to the radially inner side of one of the hoop strap ends. However, it is also possible to configure the groove 22 integrally with the strap 15, since the strap 22 is then slightly reduced in the region of the groove 22 and the beads 25 and 26 are formed in the circumferential direction throughout the groove 22, but in the area of the tab 22 somewhat wider, corresponding to the contour of the beads 27 and 28.
DK 165135BDK 165135B
6 I stedet for at forsyne møtrikken 21 med næser 30 og 31, som griber ind i vulsterne 25 og 26, kan møtrikken være udformet bredere i rørenes 3 aksialretning, til den ligger an mod i periferiretningen fremspringende skuldre 33 på spændbakken 16, eller skuldrenes 33 afstand kan være forringet indtil anlægget mod møtrikken 21. Også på denne måde fås der en yderligere 5 aksialsikring af møtrikken 21 i rørenes 3 længderetning. Møtrikkens 21 anlæg mod skuldrene 33 kan endvidere foruden det aksiale anlæg ske ved hjælp af næserne 30 og 31.6 Instead of providing the nut 21 with noses 30 and 31 which engage the beads 25 and 26, the nut may be formed wider in the axial direction of the tubes 3 until it abuts in the circumferential direction protruding shoulders 33 of the clamping tray 16, or the shoulders 33 distance may be impaired until the abutment against the nut 21. Also in this way an additional 5 axial protection of the nut 21 in the longitudinal direction of the tubes 3 is obtained. In addition to the axial abutment, the abutment of the nut 21 against the shoulders 33 can be effected by means of the noses 30 and 31.
Claims (4)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3605020 | 1986-02-18 | ||
| DE3605020A DE3605020A1 (en) | 1986-02-18 | 1986-02-18 | CONNECTOR |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| DK78087D0 DK78087D0 (en) | 1987-02-17 |
| DK78087A DK78087A (en) | 1987-08-19 |
| DK165135B true DK165135B (en) | 1992-10-12 |
| DK165135C DK165135C (en) | 1993-02-22 |
Family
ID=6294303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK078087A DK165135C (en) | 1986-02-18 | 1987-02-17 | CONNECTION TO CONNECTING TWO ROOMS |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4726611A (en) |
| JP (1) | JPS62194085A (en) |
| CH (1) | CH671276A5 (en) |
| DE (1) | DE3605020A1 (en) |
| DK (1) | DK165135C (en) |
| FI (1) | FI82539C (en) |
| FR (1) | FR2604507B1 (en) |
| GB (1) | GB2186651B (en) |
| IT (2) | IT1207350B (en) |
| NO (1) | NO168788C (en) |
| SE (1) | SE463115B (en) |
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| DE8706268U1 (en) * | 1987-04-30 | 1987-06-19 | Eisenwerke Fried. Wilh. Düker GmbH & Co, 8782 Karlstadt | Device for connecting the coaxial ends of two socketless pipes |
| DE3737669C1 (en) * | 1987-11-06 | 1988-05-19 | Rasmussen Gmbh | Pipe coupling |
| DE3926626A1 (en) * | 1989-04-11 | 1990-10-18 | Rasmussen Gmbh | PIPE COUPLING TO CONNECT THE END OF TWO PIPES |
| FR2662486B1 (en) * | 1990-05-23 | 1992-09-11 | Caillau Ets | WATERPROOF COUPLING DEVICE FOR TWO SMOOTH TUBES, END TO END. |
| GB2245944B (en) * | 1990-07-09 | 1993-12-15 | Thermopol Limited | Hose and hollow member arrangements |
| GB9016489D0 (en) * | 1990-07-27 | 1990-09-12 | Taylor Kerr Couplings Ltd | Pipe coupling |
| NZ238986A (en) * | 1990-07-27 | 1997-01-29 | Taylor Kerr Couplings Ltd | Fliud-tight pipe coupling with slots in sealing sleeve that receive teeth of gripping ring |
| FR2672371B1 (en) * | 1991-02-04 | 1993-07-16 | Pont A Mousson | COMPOSITE SLEEVE, METHOD FOR IMPLEMENTING SAME, AND SEAL COMPRISING SAME. |
| DE4103701C1 (en) * | 1991-02-07 | 1992-06-17 | Mero-Werke Dr.-Ing. Max Mengeringhausen Gmbh & Co, 8700 Wuerzburg, De | |
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| US5769467A (en) * | 1995-10-10 | 1998-06-23 | Bridges; Donald Y. | Pipe couplings for misaligned or out-of-round pipes and expanding/contracting pipes |
| DE19539824C1 (en) * | 1995-10-26 | 1997-04-03 | Rasmussen Gmbh | Pipe clamp |
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| DE19907776C1 (en) * | 1999-02-24 | 2000-11-23 | Rasmussen Gmbh | Plug-in coupling for the axial connection of two pipes |
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| IL174110A0 (en) * | 2006-03-05 | 2006-08-01 | Krausz Metal Ind Ltd | Pipes coupling with integrated grip |
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| US8256800B2 (en) * | 2008-04-17 | 2012-09-04 | Onset Pipe Products, Inc. | Apparatus and method for supporting a pipe coupling |
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| US8038176B2 (en) * | 2009-08-11 | 2011-10-18 | Victaulic Company | Seal with rigid stop ring |
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| US9404608B2 (en) * | 2009-10-27 | 2016-08-02 | Tyco Fire Products Lp | Systems and methods for pipe couplings |
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| US9194516B2 (en) | 2012-01-20 | 2015-11-24 | Mueller International, Llc | Slip-on coupling |
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| US9039046B2 (en) | 2012-01-20 | 2015-05-26 | Mueller International, Llc | Coupling with tongue and groove |
| US9168585B2 (en) | 2012-11-02 | 2015-10-27 | Mueller International, Llc | Coupling with extending parting line |
| US9903515B2 (en) * | 2015-12-09 | 2018-02-27 | Victaulic Company | Seal with lip projections |
| CN105443893A (en) * | 2016-01-05 | 2016-03-30 | 江苏众信绿色管业科技有限公司 | Sealing ring for composite steel pipe connection |
| CN105757370A (en) * | 2016-03-21 | 2016-07-13 | 哈尔滨飞机工业集团有限责任公司 | Method for connecting guide pipe and equipment |
| PE20200051A1 (en) | 2017-06-02 | 2020-01-15 | Victaulic Co Of America | COUPLING HAVING A SEAL WITH RETRACTABLE CENTER LEG |
| CN107339524B (en) * | 2017-07-04 | 2019-10-08 | 陈刚 | A kind of pipe fitting and its pipe-line system |
| CN108150743A (en) * | 2017-11-17 | 2018-06-12 | 江苏壹鼎崮机电科技有限公司 | A long-life pipe connector |
| US11582900B2 (en) | 2020-01-17 | 2023-02-21 | Cnh Industrial Canada, Ltd. | Distribution orifice system for a dry agricultural product applicator |
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| US12181083B2 (en) * | 2022-07-21 | 2024-12-31 | Applied System Technologies, Inc. | Pipe coupling |
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| DE1806616A1 (en) * | 1968-11-02 | 1970-05-21 | Pacific Clay Products | Pipe coupling |
| US3565468A (en) * | 1969-01-06 | 1971-02-23 | Mission Clay Products Corp | Band seal pipe coupling with adjustable fastening means |
| DE2809108A1 (en) * | 1978-03-03 | 1979-09-06 | Jenaer Glaswerk Schott & Gen | Joint between two glass tubes - has internally toothed rubber sleeve fitting round roughened outside of tubes and included spacer |
| US4380348A (en) * | 1981-02-18 | 1983-04-19 | Clamp-All Corp. | Pipe clamping assembly |
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| DE3339169C2 (en) * | 1983-10-28 | 1986-05-15 | Rasmussen Gmbh, 6457 Maintal | Plug-in coupling for connecting the ends of two pipes |
| DE3404739C1 (en) * | 1984-02-10 | 1985-07-25 | Rasmussen Gmbh, 6457 Maintal | Plug-in coupling for connecting the ends of two pipes |
| US4652023A (en) * | 1984-02-13 | 1987-03-24 | Timmons Fred A | Repair coupler |
-
1986
- 1986-02-18 DE DE3605020A patent/DE3605020A1/en active Granted
-
1987
- 1987-01-05 CH CH8/87A patent/CH671276A5/de unknown
- 1987-01-19 FI FI870196A patent/FI82539C/en not_active IP Right Cessation
- 1987-02-04 GB GB8702498A patent/GB2186651B/en not_active Expired
- 1987-02-06 US US07/011,897 patent/US4726611A/en not_active Expired - Lifetime
- 1987-02-11 SE SE8700530A patent/SE463115B/en not_active IP Right Cessation
- 1987-02-16 NO NO870592A patent/NO168788C/en unknown
- 1987-02-17 DK DK078087A patent/DK165135C/en not_active IP Right Cessation
- 1987-02-17 IT IT8767108A patent/IT1207350B/en active
- 1987-02-17 IT IT8753029U patent/IT8753029V0/en unknown
- 1987-02-18 FR FR878702081A patent/FR2604507B1/en not_active Expired
- 1987-02-18 JP JP62033579A patent/JPS62194085A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2604507A1 (en) | 1988-04-01 |
| IT8767108A0 (en) | 1987-02-17 |
| DK78087A (en) | 1987-08-19 |
| JPS62194085A (en) | 1987-08-26 |
| IT1207350B (en) | 1989-05-17 |
| SE463115B (en) | 1990-10-08 |
| FI870196A7 (en) | 1987-08-19 |
| CH671276A5 (en) | 1989-08-15 |
| JPH0355713B2 (en) | 1991-08-26 |
| FR2604507B1 (en) | 1989-12-08 |
| DE3605020C2 (en) | 1988-03-24 |
| GB8702498D0 (en) | 1987-03-11 |
| NO870592D0 (en) | 1987-02-16 |
| DK78087D0 (en) | 1987-02-17 |
| FI82539B (en) | 1990-11-30 |
| SE8700530D0 (en) | 1987-02-11 |
| US4726611A (en) | 1988-02-23 |
| FI870196A0 (en) | 1987-01-19 |
| IT8753029V0 (en) | 1987-02-17 |
| DE3605020A1 (en) | 1987-08-27 |
| DK165135C (en) | 1993-02-22 |
| SE8700530L (en) | 1987-08-19 |
| NO870592L (en) | 1987-08-19 |
| NO168788B (en) | 1991-12-23 |
| NO168788C (en) | 1992-04-01 |
| GB2186651A (en) | 1987-08-19 |
| FI82539C (en) | 1991-03-11 |
| GB2186651B (en) | 1989-11-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUP | Patent expired |